|Winter Storm Warning
Snow: 4-6" in 12 hours, or 6-8" in 24 hours. Click each link to see maps that give specific criteria for each county.
Ice Accumulation: 1/4 inch or more
Also can be issued for hazards judged to pose a threat to life and property.
|Winter Weather Advisory
Snow: 2-4" in 12 hours. Click link to see map that gives specific criteria for each county.
Ice: Any accretion
Also can be issued for hazards which cause "significant inconvenience" and warrant extra caution.
||Sustained or frequent gusts greater than or equal to 35 mph AND considerable blowing/drifting snow frequently reducing visibilities to less than 1/4 mile
|Wind Chill Advisory
||Wind Chill values less than or equal to -10° F for 3 hours or more with wind speeds greather than 5 mph
|Wind Chill Warning
||Wind Chill values less than or equal to -25° F for 3 hours or more with wind speeds greather than 5 mph
||Issued in conjunction with a killing frost only (sufficient to end the growing season in fall, or delay it in the spring); how far low temperatures are below freezing at the ground, and for what duration are the factors determining if it is a killing frost.
||Issued in conjunction with temperatures forecast to be 32° or below for a significant amount of time (with or without frost)
|Dense Fog Advisory
||Issued for widespread fog reducing visibilities to 1/4 mile or less.
||Heat Index greater than or equal to 100° F and less than 105° F for 2 hours.
|Excessive Heat Warning
||Heat Index greater than or equal to 105° F for 2 hours.
||Winds of 31-39 mph sustained for 1 hour, or between 46 and 57 mph for any duration
|High Wind Warning
||Winds 40 mph or higher sustained for 1 hour, or 58 mph or greater for any duration (non-convective)
What to Report and How
To report severe weather, call
1-304-746-0180, email us at